Calculate Annual return, Sharpe Ratio based on weekly NAV, also take dividend into consideration

The risk-free rate of return=3%

Declared Dividend for 2016 = 1.5$

Declared Dividend for 2017= 1$

Year- 2016		Year- 2017
NAV Per Unit	S &P 500 Index	NAV Per Unit	S &P 500 Index
10.81	5380.794	11.18	4873.177
10.53	5222.303	11.21	4927.824
10.39	5130.698	11.42	5011.296
10.37	5133.255	11.64	5104.652
10.47	5169.739	11.4	4,978.78
10.56	5201.421	11.52	4995.32