x_gdp,gdp,x_mat,mat
1970.208675,19.01752106,1970.208675,19.63928833
1970.676411,19.35431166,1970.676411,19.92426499
1971.144147,19.6651953,1971.144147,20.18333469
1971.533928,20.02789287,1971.611884,20.44240438
1972.066627,21.16779953,1972.07962,20.8569159
1972.555152,21.79992959,1972.547356,21.34914832
1973.015092,22.3854271,1973.015092,21.89319468
1973.482828,22.61858983,1973.482828,22.0486365
1973.950564,22.69631074,1973.950564,22.20407832
1974.418301,22.9812874,1974.418301,22.3854271
1974.886037,23.08491528,1974.886037,22.59268286
1975.353773,23.34398498,1975.353773,22.87765953
1975.821509,23.8362174,1975.821509,23.29217104
1976.289245,24.32844982,1976.289245,23.65486861
1976.756982,24.6911474,1976.756982,24.06938013
1977.224718,25.07975194,1977.224718,24.4320777
1977.692454,25.5460774,1977.692454,24.79477528
1978.16019,26.16784467,1978.16019,25.18337982
1978.627926,26.60826315,1978.627926,25.52017043
1979.095663,27.0745886,1979.095663,25.83105406
1979.563399,27.38547224,1979.563399,26.19375164
1980.031135,27.6704489,1980.031135,26.60826315
1980.498871,27.9295186,1980.498871,26.78961194
1980.966607,28.1885883,1980.966607,27.02277466
1981.434343,28.2663092,1981.434343,27.02277466
1981.90208,28.2663092,1981.90208,27.02277466
1982.369816,28.42175102,1982.369816,27.02277466
1982.837552,28.73263466,1982.837552,27.28184436
1983.305288,29.1212392,1983.305288,27.43728618
1983.773024,29.69119253,1983.773024,27.95542557
1984.240761,30.23523889,1984.240761,28.5253789
1984.708497,30.85700617,1984.708497,29.14714617
1985.176233,31.47877344,1985.176233,29.7170995
1985.643969,31.94509889,1985.643969,30.23523889
1986.111705,32.38551737,1986.111705,30.64975041
1986.579441,32.87774979,1986.579441,31.1678898
1987.047178,33.42179616,1987.047178,31.58240131
1987.514914,34.01765646,1987.514914,32.10054071
1987.98265,34.71714464,1987.98265,32.51505222
1988.450386,35.41663282,1988.450386,32.98137767
1988.918122,36.06430706,1988.918122,33.42179616
1989.385859,36.76379524,1989.385859,33.83630767
1989.853595,37.23012069,1989.853595,34.17309827
1990.321331,37.69644614,1990.321331,34.27672615
1990.789067,37.95551584,1990.789067,34.48398191
1991.256803,38.2404925,1991.256803,34.53579585
1991.72454,38.55137614,1991.646583,35.72751645
1992.192276,38.7586319,1991.958408,37.4762369
1992.660012,39.17314341,1992.348188,39.40630614
1993.127748,39.43221311,1992.815924,40.2871431
1993.595484,39.79491068,1993.28366,40.49439886
1994.06322,40.41667795,1993.751396,40.93481734
1994.530957,41.01253825,1994.219133,41.4788637
1994.998693,41.55658461,1994.686869,42.02291007
1995.466429,42.04881704,1995.154605,42.61877037
1995.934165,42.67058431,1995.622341,43.24053764
1996.401901,43.31825855,1996.090077,43.86230491
1996.869638,44.09546763,1996.557813,44.48407218
1997.337374,44.66542097,1997.02555,44.84676975
1997.80511,45.20946733,1997.493286,45.26128127
1998.592466,46.63953205,1997.961022,45.70169975
1999.052406,47.20430399,1998.428758,46.11621126
1999.520143,47.80016429,1998.896494,46.58253672
1999.987879,48.57737338,1999.364231,47.07476914
2000.455615,49.63955913,1999.831967,47.6188155
2000.923351,50.20951246,2000.299703,48.2146758
2001.391087,50.70174488,2000.767439,48.73281519
2001.858824,51.14216337,2001.235175,49.17323368
2002.32656,51.63439579,2001.702911,49.58774519
2002.794296,52.20434912,2002.170648,50.02816367
2003.262032,52.85202336,2002.638384,50.59811701
2003.729768,53.94011608,2003.10612,51.73802367
2004.431373,55.08002275,2003.573856,52.95565124
2004.899109,56.37537123,2004.041592,54.3546276
2005.366845,57.41165001,2004.509329,55.90904577
2005.834581,58.39611486,2004.977065,57.46346395
2006.302317,59.51011455,2005.444801,59.06969607
2006.770053,60.62411424,2005.912537,60.52048636
2007.23779,61.81583485,2006.380273,61.91946272
2007.705526,62.90392757,2006.84801,63.39615999
2008.173262,63.55160181,2007.315746,64.9246712
2008.640998,64.0697412,2007.783482,66.29774059
2009.108734,63.86248544,2008.251218,66.76406604
2009.576471,63.39615999,2008.718954,67.20448452
2010.044207,63.96611332,2009.18669,67.59308907
2010.511943,65.18374089,2009.654427,68.00760058
2010.823767,65.96094998,2010.122163,69.06978634
1998.188235,46.03217158,2010.589899,70.33922785
,,2010.862745,71.01280906