|
2013 |
Original Grants | | ||
|---|---|---|---|---|
|
Expected term of stock options |
6 years | |||
|
Expected volatility of the Company's stock |
28.7% - 28.8% | |||
|
Weighted average volatility |
28.8% | |||
|
Expected annual dividend per share |
$1.84 | |||
|
Risk-free rate |
1.11% - 1.14% | |||
|
2012 |
Original Grants | Reload Grants | ||
|---|---|---|---|---|
|
Expected term of stock options |
6 years | 1 year | ||
|
Expected volatility of the Company's stock |
28.5% - 28.6% | 22.9% - 23.5% | ||
|
Weighted average volatility |
28.6% | 23.4% | ||
|
Expected annual dividend per share |
$1.64 - $1.84 | $1.64 - $1.84 | ||
|
Risk-free rate |
1.02% - 1.17% | 0.10% - 0.17% | ||
|
2011 |
Original Grants | Reload Grants | ||
|---|---|---|---|---|
|
Expected term of stock options |
6 years | 1 year | ||
|
Expected volatility of the Company's stock |
28.0% - 28.6% | 15.7% - 17.6% | ||
|
Weighted average volatility |
28.2% | 15.9% | ||
|
Expected annual dividend per share |
$1.44 - $1.64 | $1.44 - $1.64 | ||
|
Risk-free rate |
1.19% - 2.62% | 0.10% - 0.29% | ||