| 年份 | 波多黎各 |
|---|---|
| 2023 | - |
| 2022 | 4.22367 |
| 2021 | 4.22088 |
| 2020 | 4.27379 |
| 2019 | 4.38304 |
| 2018 | 4.60308 |
| 2017 | 4.89054 |
| 2016 | 5.1651 |
| 2015 | 5.41344 |
| 2014 | 5.6569 |
| 2013 | 5.8816 |
| 2012 | 6.06738 |
| 2011 | 6.23076 |
| 2010 | 6.38827 |
| 2009 | 6.50313 |
| 2008 | 6.60528 |
| 2007 | 6.76305 |
| 2006 | 6.97357 |
| 2005 | 7.23643 |
| 2004 | 7.51902 |
| 2003 | 7.79031 |
| 2002 | 8.03717 |
| 2001 | 8.24636 |
| 2000 | 8.40932 |
| 1999 | 8.55038 |
| 1998 | 8.69786 |
| 1997 | 8.85089 |
| 1996 | 9.00939 |
| 1995 | 9.16834 |
| 1994 | 9.30681 |
| 1993 | 9.40496 |
| 1992 | 9.45253 |
| 1991 | 9.4418 |
| 1990 | 9.38609 |
| 1989 | 9.39616 |
| 1988 | 9.51519 |
| 1987 | 9.73497 |
| 1986 | 10.054 |
| 1985 | 10.4183 |
| 1984 | 10.7736 |
| 1983 | 11.0419 |
| 1982 | 11.2227 |
| 1981 | 11.3409 |
| 1980 | 11.4026 |
| 1979 | 11.4641 |
| 1978 | 11.582 |
| 1977 | 11.7275 |
| 1976 | 11.8678 |
| 1975 | 11.9979 |
| 1974 | 12.1148 |
| 1973 | 12.2477 |
| 1972 | 12.4172 |
| 1971 | 12.6285 |
| 1970 | 12.8823 |
| 1969 | 13.1514 |
| 1968 | 13.4088 |
| 1967 | 13.6686 |
| 1966 | 13.9552 |
| 1965 | 14.2723 |
| 1964 | 14.5743 |
| 1963 | 14.8149 |
| 1962 | 15.004 |
| 1961 | 15.1748 |
| 1960 | 15.3032 |