hard surface; 45,700 km other surfaces (1988) Inland waterways:

2.707533 0.369340 5.5714% 1968 0.186884 5.350918 5.0148% 1967 5.128686 0.194982 2.5719% 1966 1.245527 0.802873 3.5485% 1965 2.253362 0.443781 2.7360% 1964 4.164599 0.240119 1.5423% 1963 4.000218 0.249986 1.5697% 1962 4.492848 0.222576 2.2421% 1961 0.211667 4.724412 0.9709% 1960 2.395427 0.417462 1.6442% 1959 3.753278 0.266434 2.3579% 1958 2.091536 0.478118 2.0623% 1957 3.464404 0.288650 3.5571% 1956 0.965651 1.035571 3.3098% 1955 0.431062 2.319850 3.4226% 1954 3.506459 0.285188 1.5421% 1953 0.093814 10.659339 1.5703% 1952 0.907465 1.101971 1.5948% 1951 0.762906 1.310777 5.0183% 1950 3.064279 0.326341 1.7034% 1949 0.141731 7.055633 -0.4250% 1948 0.507532 1.970321 6.7886% 1947 3.250019 0.307691 13.9149% 1946 0.608172 1.644273 22.7896% 1945 2.257173 0.443032 3.2661% 1944 2.067545 0.483665 1.3234% 1943 1.094237 0.913879 2.7232% 1942 2.161763 0.462586 0.0000% 1926 0.505155 1.979591 6.5229% 1941 0.124434 8.036404 6.1527% 1940 1.585365 0.630769 2.3623% 1939 1.867644 0.535434 -1.5482% 1938 0.883559 1.131786 -1.5312% 1937 0.152860 6.541916 3.9669% 1936 1.726124 0.579333 0.0000% 1935 1.880746

scrimshaws