Year
Price
2013$8.13
20127.96
20117.93
20107.89
20097.5
20087.18
20076.88
20066.55
20056.41
20046.21
20036.03
20025.8
20015.65
20005.39
19995.06
19984.69
19974.59
19964.42
19954.35
19944.08
19934.14
19924.15
19914.21
19904.22
1989*3.99
19884.11
19873.91
19863.71
19853.55
19843.36
19833.15
19822.94
19812.78
19802.69
19792.47
19782.34
19772.23
19762.13
19752.03
19741.89
19711.65
19671.22
19630.86
19580.68
19540.49
19480.36

*1989 and later figures based on NATO survey; previous years based on CPI-W index