| January | February | March | April | May | June | July | August | September | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $1195.16 | $1005.91 | 988.06 | 940.38 | 1006.24 | 981.53 | 997.23 | 983.13 | 1178.74 | 1046.75 | 981.80 | 980.81 | 1138.87 | 953.54 | 933.09 | 1167.58 | 1299.75 | 954.56 | 1194.82 |
| $2201.07 | $1928.44 | $1987.77 | $1980.36 | $2225.49 | $3101.48 | $1886.63 | $2467.33 | $2149.38 | ||||||||||