|a  |b  |c  |d  |e  |
2018|3.2|4.5|5.6|7.8|8.1|
2017|6.2|1.5|2.6|7.8|2.1|
2016|2.2|9.5|0.6|6.8|4.1|
2015|2.2|6.5|7.6|7.8|2.1|

|a  |b  |c  |d  |e  |
2018|101|405|526|108|801|
2017|601|105|726|308|201|
2016|202|965|856|408|411|
2015|322|615|167|458|211|

|a  |b  |c  |d  |e  |
2018|3.2|4.5|5.6|7.8|8.1|

|a  |b  |c  |d  |e  |
2018|101|405|526|108|801|

2018|spearman cor btw price and sales in 2018
2017|spearman cor btw price and sales in 2017
2016|spearman cor btw price and sales in 2016