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

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70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

0<br />

70<br />

60<br />

50<br />

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0<br />

Chart A-16: Member ascent rates <strong>by</strong> expedition year for commercial (SE ridge)<br />

and non-commercial routes on Ama Dablam from 1970-2006<br />

54 Ascent <strong>Analysis</strong><br />

Commercial vs. Non-Commercial Member Ascent Rates for Ama Dablam<br />

(1970-2006)<br />

1970-1974 1975-1979 1980-1984 1985-1989 1990-1994 1995-1999 2000-2004 2005-2006<br />

Commercial Rtes Non-Commercial Rtes<br />

Commercial vs. Non-Commercial Member Ascent Rates for Cho Oyu<br />

(1970-2006)<br />

1970-1974 1975-1979 1980-1984 1985-1989 1990-1994 1995-1999 2000-2004 2005-2006<br />

Commercial Rtes Non-Commercial Rtes<br />

Chart A-17: Member ascent rates <strong>by</strong> expedition year for commercial (NW ridge)<br />

and non-commercial routes on Cho Oyu from 1970-2006

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