| Historical Year End Performance | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Return (without sales charges) as of 12/311 | Distribution as of 12/312 | Net Asset Value as of 12/31 | ||||||||||||||||
| Year | A | B | C | Q | R | Z | A | B | C | Q | R | Z | A | B | C | Q | R | Z |
| 2011 | 7.57 | 7.03 | 6.81 | 7.94 | 7.37 | 7.78 | 0.8368 | 0.7656 | 0.7356 | 0.8729 | 0.8020 | 0.8718 | 13.99 | 13.99 | 13.98 | 13.97 | 14.02 | 13.95 |
| 2010 | 9.73 | 9.18 | 9.19 | — | 9.58 | 9.94 | 0.7219 | 0.6527 | 0.6526 | 0.0062 | 0.6842 | 0.7564 | 13.80 | 13.80 | 13.79 | 13.77 | 13.82 | 13.77 |
| 2009 | 19.68 | 19.09 | 19.11 | — | 19.32 | 20.01 | 0.5475 | 0.4857 | 0.4858 | — | 0.5094 | 0.5782 | 13.25 | 13.25 | 13.24 | — | 13.25 | 13.23 |
| 2008 | -3.55 | -3.95 | -4.03 | — | — | -3.32 | 0.6253 | 0.5643 | 0.5644 | — | 0.5707 | 0.6555 | 11.57 | 11.57 | 11.56 | — | 11.57 | 11.55 |
| 2007 | 5.42 | 4.77 | 4.82 | — | — | 5.69 | 0.6236 | 0.5556 | 0.5620 | — | — | 0.6547 | 12.63 | 12.62 | 12.62 | — | — | 12.61 |
| 2006 | 4.39 | 3.59 | 4.03 | — | — | 4.61 | 0.6174 | 0.5208 | 0.5733 | — | — | 0.6526 | 12.59 | 12.59 | 12.59 | — | — | 12.57 |
| 2005 | 2.50 | 1.80 | 2.06 | — | — | 2.75 | 0.5864 | 0.4884 | 0.5208 | — | — | 0.6172 | 12.67 | 12.67 | 12.67 | — | — | 12.66 |
| 2004 | 4.87 | 4.01 | 4.27 | — | — | 5.13 | 0.5626 | 0.4659 | 0.4980 | — | — | 0.5942 | 12.94 | 12.93 | 12.93 | — | — | 12.93 |
| 2003 | 6.18 | 5.39 | 5.65 | — | — | 6.44 | 0.5594 | 0.4631 | 0.4953 | — | — | 0.5910 | 12.89 | 12.89 | 12.89 | — | — | 12.88 |
| 2002 | 6.38 | 5.61 | 5.85 | — | — | 6.64 | 0.6836 | 0.5925 | 0.6219 | — | — | 0.7139 | 12.68 | 12.68 | 12.68 | — | — | 12.67 |
| 2001 | 6.84 | 6.41 | 6.41 | — | — | 7.19 | 0.7989 | 0.7360 | 0.7361 | — | — | 0.8297 | 12.59 | 12.59 | 12.59 | — | — | 12.58 |
| 2000 | 8.60 | 7.97 | 8.13 | — | — | 8.81 | 0.8304 | 0.7679 | 0.7861 | — | — | 0.8635 | 12.54 | 12.53 | 12.53 | — | — | 12.52 |
| 1999 | -0.23 | -0.72 | -0.72 | — | — | 0.01 | 0.8471 | 0.7847 | 0.7845 | — | — | 0.8777 | 12.35 | 12.35 | 12.35 | — | — | 12.34 |
| 1998 | 5.14 | 4.51 | 4.51 | — | — | 5.30 | 0.8522 | 0.7722 | 0.7721 | — | — | 0.8718 | 13.23 | 13.23 | 13.23 | — | — | 13.22 |
| 1997 | 7.96 | 7.24 | 7.24 | — | — | 8.05 | 1.2090 | 1.1272 | 1.1267 | — | — | 1.2289 | 13.41 | 13.41 | 13.41 | — | — | 13.40 |
| 1996 | 5.80 | 5.19 | 5.19 | — | — | — | 0.9719 | 0.8844 | 0.8844 | — | — | 0.3122 | 13.57 | 13.58 | 13.58 | — | — | 13.57 |
| 1995 | — | — | — | — | — | — | 1.1064 | 1.0292 | 1.0275 | — | — | — | 13.79 | 13.79 | 13.79 | — | — | — |