| 年份 | 巴布亚新几内亚 |
|---|---|
| 2023 | - |
| 2022 | 4.0257 |
| 2021 | 3.96328 |
| 2020 | 3.90892 |
| 2019 | 3.85562 |
| 2018 | 3.80129 |
| 2017 | 3.74023 |
| 2016 | 3.66859 |
| 2015 | 3.58568 |
| 2014 | 3.49326 |
| 2013 | 3.39363 |
| 2012 | 3.2886 |
| 2011 | 3.1811 |
| 2010 | 3.08035 |
| 2009 | 2.99051 |
| 2008 | 2.91431 |
| 2007 | 2.85635 |
| 2006 | 2.81901 |
| 2005 | 2.80111 |
| 2004 | 2.79923 |
| 2003 | 2.79486 |
| 2002 | 2.78135 |
| 2001 | 2.77486 |
| 2000 | 2.77559 |
| 1999 | 2.7791 |
| 1998 | 2.80068 |
| 1997 | 2.84226 |
| 1996 | 2.88158 |
| 1995 | 2.91346 |
| 1994 | 2.94295 |
| 1993 | 2.97231 |
| 1992 | 3.00072 |
| 1991 | 3.02252 |
| 1990 | 3.01838 |
| 1989 | 3.01987 |
| 1988 | 3.05642 |
| 1987 | 3.10073 |
| 1986 | 3.14436 |
| 1985 | 3.18814 |
| 1984 | 3.23394 |
| 1983 | 3.28409 |
| 1982 | 3.34028 |
| 1981 | 3.40336 |
| 1980 | 3.42976 |
| 1979 | 3.41184 |
| 1978 | 3.38624 |
| 1977 | 3.34996 |
| 1976 | 3.29962 |
| 1975 | 3.23266 |
| 1974 | 3.14771 |
| 1973 | 3.04482 |
| 1972 | 2.92485 |
| 1971 | 2.84488 |
| 1970 | 2.81246 |
| 1969 | 2.77811 |
| 1968 | 2.74501 |
| 1967 | 2.71658 |
| 1966 | 2.68702 |
| 1965 | 2.65903 |
| 1964 | 2.6385 |
| 1963 | 2.61349 |
| 1962 | 2.57515 |
| 1961 | 2.52483 |
| 1960 | 2.44126 |