Announced in July 2004, in conjunction with the 2 for 1 stock split, the dividend was increased by 20 percent to US $0.05 per share.

Announced in May 2007, in conjunction with the 3 for 1 stock split, the dividend was increased by 100 percent to US $0.10 per share.

Announced in Jan 2011, in conjunction with the 3 for 1 stock split, the dividend was increased by 100 percent to US $0.07 per share.