can you explain this table?

Subtitle Subtle Em... Emphasis Intense E... Strong Quot Styles Table 1.0 This table shows portfolio values with S&P contracts compared with contracts without S&P. PortValue Port Value w/o Month w/Contracts Contracts Difference Jan 0.074431988 $ 8,201,363 $ (8,201,363) Feb -0.03073477 $ 8,709,027 $ (8,709,027) Mar 0.087496701 $ 8,430,451 $ (8,430,451) Apr -0.07908586 S 9,165,650 $ (9,165,650) May 0.040090223 S 8,470,454 $ (8,470,454) Jun 0.046032097 $ 8,802,007$ (8,802,007) Jul -0.05450163 $ 9,157,774 $ (9,157,774) Aug 0.048821404 S 8,643,396 :$ (8,643,396) Sep 0.022652628 $ 9,055,247 $ (9,055,247) Oct 0.065467366 $ 9,217,185 $ (9,217,185) 0.008170494 $ Nov (9,781,176) 9,781,176 S Dec 0.008207816 $ (9,825,854) 9,825,854 $ I Subtitle Subtle Em... Emphasis Intense E... Strong Quot Styles Table 1.0 This table shows portfolio values with S&P contracts compared with contracts without S&P. PortValue Port Value w/o Month w/Contracts Contracts Difference Jan 0.074431988 $ 8,201,363 $ (8,201,363) Feb -0.03073477 $ 8,709,027 $ (8,709,027) Mar 0.087496701 $ 8,430,451 $ (8,430,451) Apr -0.07908586 S 9,165,650 $ (9,165,650) May 0.040090223 S 8,470,454 $ (8,470,454) Jun 0.046032097 $ 8,802,007$ (8,802,007) Jul -0.05450163 $ 9,157,774 $ (9,157,774) Aug 0.048821404 S 8,643,396 :$ (8,643,396) Sep 0.022652628 $ 9,055,247 $ (9,055,247) Oct 0.065467366 $ 9,217,185 $ (9,217,185) 0.008170494 $ Nov (9,781,176) 9,781,176 S Dec 0.008207816 $ (9,825,854) 9,825,854 $