May 01 - 187.4
May 02 - 186.7
May 03 - 187.1
May 04 - 186.5
May 05 - 185.6
May 06 - 186.2
May 07 - 186.2
May 08 - 185.1
May 09 - 186.9
May 10 - 186.9
May 11 - 186.2
May 12 - 184.7
May 13 - 185.1
May 14 - 183.6
May 15 - 184.3
May 16 - 184
May 18 - 182.9 - new low
May 20 - 182.1 - new low
May 22 - 182.5
May 23 - 182.9
May 24 - 182.7
May 26 - 183.5
May 27 - 181.4 - new low
May 29 - 182.1
May 30 - 182.1
May 31 - 181.8