begin{table}[htbp]
  centering
    begin{tabular}{lrrrr}
    hline
    textit{(1,000,000)} & multicolumn{1}{l}{MV} & multicolumn{1}{l}{TP} & multicolumn{1}{l}{ST} & multicolumn{1}{l}{RP} bigstrut\
    hline
    Mean  & 227,799 & 284,627 & 234,909 & 290,288 bigstrut[]\
    Std Dev & 28,711 & 33,111 & 29,954 & 35,171 \
    Default & 0.00  & 0.00  & 0.00  & 0.00 bigstrut[]\
    hline
    end{tabular}
  label{tab:test}
   caption{Add caption}
end{table}

documentclass[11pt]{article}
usepackage{Pgfplots}
usepackage{booktabs}
usepackage{bigstrut}

raggedbottom



begin{document}

makeatletter
setlength@fptop{0pt}             % default: '0p@ @plus 1fil'
setlength@fpsep{2baselineskip}  % default: '8p@ @plus 2fil'
makeatother