1997				2000								volume		area
	volume	%	area	%	volume	%	area	%		Distributions comparison			diff	% diff	diff	% diff
0-10	1,666,757,565	4.95	6,323,820.26	26.55	1,473,050,782	4.21	6,071,288.12	25.41		0.99965	chi-sqare area		-193,706,783	-11.6218	-252,532.14	-3.99335
11-20	3,673,704,661	10.91	4,425,898.88	18.58	4,767,548,102	13.62	5,027,598.82	21.04		0.98807	chi-sqare volume		1,093,843,441	29.77494	601,699.94	13.59498
21-30	3,637,169,408	10.81	2,411,526.26	10.12	4,345,425,004	12.41	2,557,226.19	10.70					708,255,596	19.47271	145,699.93	6.041814
31-40	4,053,800,568	12.04	2,362,613.58	9.92	4,234,366,696	12.10	2,138,855.10	8.95					180,566,128	4.454243	-223,758.48	-9.4708
41-50	5,693,803,940	16.91	2,563,066.10	10.76	6,362,737,438	18.18	2,657,315.03	11.12					668,933,498	11.74845	94,248.93	3.677195
51-60	5,913,502,765	17.57	2,387,517.23	10.02	5,628,785,750	16.08	2,126,168.23	8.90					-284,717,016	-4.81469	-261,349.00	-10.9465
61-70	4,066,455,333	12.08	1,512,378.87	6.35	3,952,189,421	11.29	1,524,424.87	6.38					-114,265,912	-2.80996	12,046.00	0.796494
71-80	2,338,065,560	6.95	833,558.11	3.50	2,053,753,742	5.87	850,192.58	3.56					-284,311,819	-12.1601	16,634.47	1.995598
80+	2,618,154,994	7.78	997,305.42	4.19	2,184,083,575	6.24	940,576.52	3.94					-434,071,419	-16.5793	-56,728.90	-5.68822
Sum	33,661,414,794	100.00	23,817,684.71	100.00	35,001,940,510	100.00	23,893,645.46	100.00					1,340,525,716	3.982381	75,960.75	0.318926
	1,340,525,716
	0.039823808
%	3.982380788	increase of total volume		3.1	standard error %
	75,960.75
	0.003189258
%	0.318925836	increase of forest area		0.33	standard error %
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