33) D

Consultation rate for nurses in 1995 = 0.8
Proportion of patients seen by nurses = 0.8 / 3.9 ~ 0.2

Consultation rate in 2006 = 1.8 
Proportion of patients seen by nurses = 1.8 / 5.26 ~ 0.34

Increase in consultation rate = 0.34 – 0.2 = 0.14

Percentage increase = (0.14 / 0.2) x 100 = 70%

This is closest to D (67%).

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