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| Col (1) NIO | Col (2) NGN | Col (3) PGK | Col (4) RWF | Col (5) WST |
| NIO | NGN | PGK | RWF | WST |
| 1993 : 2010 | 1993 : 2010 | 1993 : 2010 | 1993 : 2010 | 1993 : 2010 |
2010 yr avg 21.492 150.41 2.6660 580.91 2.4513
2009 yr avg 20.397 147.59 2.6127 567.19 2.6700
2008 yr avg 19.487 118.23 2.5250 547.11 2.5986
2007 yr avg 18.506 122.34 2.7438 546.29 2.5617
2006 yr avg 17.660 127.52 2.7638 549.63 2.6900
2005 yr avg 16.860 130.50 2.8578 556.00 2.7000
2004 yr avg 16.056 132.42 2.9191 573.22 2.6925
2003 yr avg 15.186 129.58 3.1818 535.40 2.8999
2002 yr avg 14.300 123.21 3.5929 475.60 3.2644
2001 yr avg 13.471 113.36 3.2478 437.43 3.3618
2000 yr avg 12.773 104.26 2.6609 390.32 3.0646
1999 yr avg 11.885 96.900 2.4845 331.94 2.8120
1998 yr avg 10.753 84.120 2.0767 310.59 2.9073
1997 yr avg 9.6025 80.200 1.5100 295.75 2.5567
1996 yr avg 8.5700 80.000 1.3100 306.50 2.4100
1995 yr avg 7.6375 80.400 1.2829 275.78 2.4350
1994 yr avg 6.7486 32.900 1.0538 173.50 2.5000
1993 yr avg 6.3500 46.700 0.97000 144.00 2.5700