Table 2
Parameters of the equatorial and polar density models derived in Fig. 6.
| Year | n0EW | σnEW | THEW | n0NS | σnNS | THNS | |||
| 108 cm-3 | % | kK | 108 cm-3 | % | kK | ||||
|
|
|||||||||
| 2004 | 3.18 | 7 | 1350 | 0.63 | 10 | 2050 | |||
| 2005 | 1.70 | 10 | 1690 | 0.63 | 9 | 1960 | |||
| 2006 | 1.75 | 10 | 1580 | 0.53 | 9 | 1920 | |||
| 2007 | 1.37 | 8 | 1590 | 0.55 | 9 | 1840 | |||
| 2008 | 1.10 | 7 | 1630 | 0.56 | 7 | 1730 | |||
| 2009 | 1.09 | 8 | 1600 | 0.52 | 8 | 1650 | |||
| 2010 | 1.28 | 8 | 1580 | 0.64 | 8 | 1650 | |||
| 2011 | 1.86 | 12 | 1670 | 0.75 | 12 | 2240 | |||
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