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The Himalaya by the Numbers: A Statistical Analysis - Himalayan ...

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500<br />

450<br />

400<br />

350<br />

300<br />

250<br />

200<br />

150<br />

100<br />

50<br />

0<br />

600<br />

500<br />

400<br />

300<br />

200<br />

100<br />

0<br />

1970<br />

1971<br />

1970<br />

1971<br />

1972<br />

1973<br />

1974<br />

Chart C-3c: Climbing activity (members above base camp) on Everest<br />

for all routes and <strong>the</strong> S Col-SE Ridge and N Col-NE Ridge routes from 1970-2006<br />

16 <strong>Analysis</strong> of Climbing Activity<br />

Climbing Activity for Everest (1970-2006)<br />

1975<br />

1976<br />

1977<br />

1978<br />

1979<br />

1980<br />

1981<br />

1982<br />

1983<br />

1984<br />

1985<br />

1986<br />

1987<br />

1988<br />

1989<br />

1990<br />

1991<br />

1992<br />

1993<br />

1994<br />

1995<br />

1996<br />

1997<br />

1998<br />

1999<br />

2000<br />

2001<br />

2002<br />

2003<br />

2004<br />

2005<br />

2006<br />

Members Above BC (All Routes) Members Above BC (S Col-SE Ridge, N Col-NE Ridge)<br />

Trend (All Routes) Trend (S Col-SE Ridge, N Col-NE Ridge Routes)<br />

1972<br />

1973<br />

1974<br />

1975<br />

1976<br />

1977<br />

1978<br />

Relative Popularity of Commercial Routes (1970-2006)<br />

(Average Members Above BC)<br />

1979<br />

1980<br />

1981<br />

1982<br />

1983<br />

1984<br />

1985<br />

1986<br />

1987<br />

1988<br />

1989<br />

1990<br />

1991<br />

1992<br />

1993<br />

1994<br />

1995<br />

1996<br />

1997<br />

1998<br />

1999<br />

2000<br />

2001<br />

2002<br />

2003<br />

2004<br />

2005<br />

2006<br />

Trend (Ama Dablam) Trend (Cho Oyu) Trend (Everest)<br />

Chart C-3d: Relative climbing activity (average members above base camp)<br />

for <strong>the</strong> commercial routes on Ama Dablam, Cho Oyu, and Everest from 1970-2006

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