| Year | First Half Performance (%) | Second Half Performance (%) | Total Annual Performance (%) | 
|---|---|---|---|
| 1990 | -13.29% | 6.55% | -6.56% | 
| 1991 | 26.57% | 21.62% | 60.08% | 
| 1992 | -7.45% | 12.79% | 5.07% | 
| 1993 | 5.87% | 7.70% | 13.90% | 
| 1994 | -2.21% | 0.70% | -1.54% | 
| 1995 | 18.14% | 14.32% | 39.24% | 
| 1996 | 8.79% | 15.65% | 27.41% | 
| 1997 | 21.77% | 26.84% | 39.89% | 
| 1998 | 24.60% | 24.59% | 39.90% | 
| 1999 | 34.09% | 80.85% | 100.00% | 
| 2000 | -14.63% | -20.79% | -39.29% | 
| 2001 | -19.98% | -5.86% | -29.98% | 
| 2002 | -23.55% | -25.29% | -43.12% | 
| 2003 | 14.18% | 33.53% | 50.01% | 
| 2004 | -1.15% | 5.89% | 4.29% | 
| 2005 | -0.04% | 2.89% | 2.85% | 
| 2006 | -0.35% | 7.60% | 7.15% | 
| 2007 | 5.49% | 4.93% | 10.66% | 
| 2008 | -13.28% | -17.19% | -28.04% | 
| 2009 | 24.93% | 44.37% | 83.36% | 
| 2010 | -6.82% | 16.45% | 4.91% | 
| 2011 | -8.04% | -8.03% | -15.50% | 
| 2012 | 7.10% | 10.17% | 22.14% | 
| 2013 | 11.26% | 29.95% | 38.70% | 
| 2014 | 1.70% | 9.76% | 14.75% | 
| 2015 | 9.10% | -6.54% | 0.24% | 
| 2016 | -2.07% | 6.09% | 3.98% | 
| 2017 | 17.13% | 14.09% | 28.24% | 
| 2018 | 5.95% | -4.83% | 1.18% | 
| 2019 | 21.60% | 20.94% | 35.23% | 
| 2020 | 15.12% | 45.13% | 43.64% | 
| 2021 | 11.48% | 11.31% | 22.52% | 
| 2022 | -29.56% | -11.54% | -33.10% | 
| 2023 | 10.75% | 29.75% | 43.88% |