| Country or Area | Year(s) | Value | |
|---|
| Saint Vincent and the Grenadines | 2012 | 5.2 |
| Saint Vincent and the Grenadines | 2011 | 4.9 |
| Saint Vincent and the Grenadines | 2010 | 4.7 |
| Saint Vincent and the Grenadines | 2009 | 5.1 |
| Saint Vincent and the Grenadines | 2008 | 4.7 |
| Saint Vincent and the Grenadines | 2007 | 3.9 |
| Saint Vincent and the Grenadines | 2006 | 3.9 |
| Saint Vincent and the Grenadines | 2005 | 3.7 |
| Saint Vincent and the Grenadines | 2004 | 3.7 |
| Saint Vincent and the Grenadines | 2003 | 3.9 |
| Saint Vincent and the Grenadines | 2002 | 3.9 |
| Saint Vincent and the Grenadines | 2001 | 3.6 |
| Saint Vincent and the Grenadines | 2000 | 3.7 |
| Saint Vincent and the Grenadines | 1999 | 4.2 |
| Saint Vincent and the Grenadines | 1998 | 4.2 |
| Saint Vincent and the Grenadines | 1997 | 4.7 |
| Saint Vincent and the Grenadines | 1996 | 4.5 |
| Saint Vincent and the Grenadines | 1995 | 4.5 |
