Table 3.2 — Indexes of demand for outdoor recreation in tlie contiguous States by activity group 

 and type of activity, 1977, with projections to 2030 



(1977 X 100) 



Activity group and 



Projection 

 lever 



Projections 



type of activity 



1977 



1990 



2000 



2010 



2020 



2030 



Population index^ 



Medium 



100 



112 



120 



127 



134 



139 



Land: 



High 



100 



122 



144 



175 



208 



245 





Medium 



110 



111 



121 



135 



149 



161 





Low 



100 



105 



109 



113 



118 



120 



Camping (developed) 



High 



100 



139 



180 



236 



297 



369 





Medium 



100 



116 



150 



181 



214 



245 





Low 



100 



118 



133 



149 



167 



181 



Camping (dispersed) 



High 



100 



130 



161 



207 



254 



311 





Medium 



100 



116 



133 



157 



182 



205 





Low 



100 



111 



121 



132 



145 



155 



Driving off-road vehicles 



High 



100 



118 



134 



154 



177 



201 





Medium 



100 



108 



118 



128 



139 



147 





Low 



100 



108 



115 



120 



125 



126 



Hiking 



High 



100 



124 



149 



137 



225 



270 





Medium 



100 



109 



117 



132 



146 



159 





Low 



100 



101 



102 



103 



107 



109 



Horseback riding 



High 



100 



125 



151 



194 



233 



284 





Medium 



100 



109 



118 



137 



155 



173 





Low 



100 



102 



102 



105 



113 



119 



Nature study 



High 



100 



123 



146 



176 



210 



247 





Medium 



100 



110 



110 



133 



145 



155 





Low 



100 



106 



111 



117 



125 



131 



Picnicking 



High 



100 



119 



140 



166 



196 



230 





Medium 



100 



112 



124 



137 



150 



162 





Low 



100 



107 



114 



119 



125 



127 



Pleasure driving 



High 



100 



118 



136 



159 



186 



215 





Medium 



100 



110 



120 



130 



141 



149 





Low 



100 



105 



111 



114 



117 



118 



Sightseeing 



High 



100 



121 



143 



171 



202 



237 





Medium 



100 



112 



123 



136 



148 



159 





Low 



100 



105 



111 



115 



118 



120 



Water: 



High 



100 



131 



164 



218 



261 



322 





Medium 



100 



118 



134 



158 



181 



206 





Low 



100 



108 



115 



124 



134 



144 



Canoeing 



High 



100 



140 



182 



243 



305 



384 





Medium 



100 



121 



140 



170 



200 



233 





Low 



100 



109 



117 



128 



141 



155 



Sailing 



High 



100 



159 



221 



305 



396 



511 





Medium 



100 



144 



182 



231 



281 



337 





Low 



100 



130 



155 



183 



212 



242 



Other boating 



High 



100 



132 



164 



209 



257 



315 





Medium 



100 



119 



136 



159 



182 



207 





Low 



100 



110 



110 



127 



137 



147 



Swimming outdoors 



High 



100 



124 



150 



189 



229 



278 





Medium 



100 



114 



127 



146 



164 



183 





Low 



100 



106 



111 



117 



125 



131 



Water skiing 



High 



100 



127 



156 



204 



249 



308 





Medium 



100 



109 



117 



137 



155 



175 





Low 



100 



98 



96 



96 



101 



105 



69 



