| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2017 Q4 | 0 | $0 | -$504,421,031 | 0 | |
| 2017 Q3 | 7,499,763 | $504,854,032 | -$10,437,917 | $67.30 | 134 |
| 2017 Q2 | 7,765,553 | $407,980,758 | -$5,481,690 | $52.30 | 122 |
| 2017 Q1 | 7,878,791 | $384,310,793 | +$63,699,515 | $48.75 | 120 |
| 2016 Q4 | 7,991,769 | $384,601,742 | -$2,723,369 | $48.10 | 127 |
| 2016 Q3 | 8,025,643 | $357,148,105 | -$4,252,392 | $44.48 | 119 |
| 2016 Q2 | 8,141,386 | $333,796,469 | +$14,328,694 | $41.16 | 115 |
| 2016 Q1 | 8,375,858 | $277,000,912 | -$4,104,179 | $33.07 | 113 |
| 2015 Q4 | 8,495,338 | $279,809,036 | -$1,338,868 | $32.92 | 109 |
| 2015 Q3 | 8,478,991 | $313,821,903 | +$6,891,235 | $36.99 | 119 |
| 2015 Q2 | 8,297,640 | $295,722,644 | +$8,296,642 | $35.64 | 111 |
| 2015 Q1 | 8,069,263 | $283,522,650 | +$5,714,322 | $35.14 | 117 |
| 2014 Q4 | 7,929,900 | $270,661,043 | -$1,031,229 | $34.14 | 103 |
| 2014 Q3 | 7,989,962 | $263,746,771 | -$1,085,171 | $33.01 | 107 |
| 2014 Q2 | 7,963,535 | $334,480,906 | -$10,898,967 | $42.00 | 113 |
| 2014 Q1 | 7,649,364 | $346,737,788 | +$3,307,287 | $45.33 | 112 |