1971. a. statistilised aruanded (vorm nr. 17-t, 44-pp, 4-sh, 5-sh, 29-sh, 5-127, 17-sh, 10-sh, 2-sh, 14-ks, 13-ks, 18-t, 1-TR, 9-b-sh, 13-sh, 24, 28-V