| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2018 Q1 | 0 | $0 | -$8,131,000 | 0 | |
| 2017 Q4 | 151,816 | $8,131,000 | -$20,738,336,452 | $53.46 | 2 |
| 2017 Q3 | 389,354,019 | $20,749,900,829 | +$94,390,309 | $53.29 | 446 |
| 2017 Q2 | 387,524,178 | $22,976,877,650 | +$52,522,933 | $59.30 | 473 |
| 2017 Q1 | 386,875,705 | $22,136,885,451 | +$1,604,350,915 | $57.22 | 470 |
| 2016 Q4 | 377,262,427 | $21,258,955,276 | +$5,033,104 | $56.36 | 493 |
| 2016 Q3 | 381,469,810 | $17,688,155,253 | +$231,059,447 | $46.38 | 478 |
| 2016 Q2 | 375,751,561 | $19,346,638,313 | -$38,884,016 | $51.49 | 466 |
| 2016 Q1 | 372,760,322 | $19,696,647,377 | -$169,808,304 | $52.85 | 470 |
| 2015 Q4 | 377,113,466 | $20,499,173,159 | +$75,346,626 | $54.36 | 423 |
| 2015 Q3 | 377,275,972 | $16,482,935,849 | +$158,975,811 | $43.69 | 413 |
| 2015 Q2 | 372,640,598 | $19,625,550,831 | +$46,223,989 | $52.67 | 438 |
| 2015 Q1 | 371,766,006 | $20,013,423,720 | +$432,635,512 | $53.84 | 422 |
| 2014 Q4 | 359,440,019 | $17,749,415,456 | +$3,839,212,885 | $49.38 | 400 |
| 2014 Q3 | 280,093,562 | $12,808,143,169 | +$393,022,201 | $45.73 | 306 |
| 2014 Q2 | 271,804,909 | $11,934,958,340 | +$345,944,446 | $43.91 | 312 |
| 2014 Q1 | 261,932,993 | $10,251,900,150 | +$162,677,783 | $39.14 | 289 |