Ageclass	1997	2000	difference	% difference		1997		vpa	2000		vpa	difference	% difference
All	4.72	4.74	0.02	0.42372881		33,661,414,794	23,817,684.71	1413.295003	35,001,940,510	23,893,645.46	1464.906	51.61083	3.651808
1-10	3.28	3.13	-0.15	-4.57317073		1,666,757,565	6,323,820.26	263.5681434	1,473,050,782	6,071,288.12	242.6257	-20.9424	-7.94573
1-20	3.89	4.03	0.14	3.59897172		3,673,704,661	4,425,898.88	830.0471295	4,767,548,102	5,027,598.82	948.2754	118.2282	14.24356
21-30	4.64	4.52	-0.12	-2.5862069		3,637,169,408	2,411,526.26	1508.243749	4,345,425,004	2,557,226.19	1699.273	191.0291	12.66566
31-40	4.97	5.06	0.09	1.81086519		4,053,800,568	2,362,613.58	1715.811931	4,234,366,696	2,138,855.10	1979.735	263.9233	15.38183
41-50	5.51	5.79	0.28	5.08166969		5,693,803,940	2,563,066.10	2221.481506	6,362,737,438	2,657,315.03	2394.423	172.942	7.784983
51-60	6.04	5.97	-0.07	-1.1589404		5,913,502,765	2,387,517.23	2476.841922	5,628,785,750	2,126,168.23	2647.385	170.543	6.885503
61-70	6.25	6.49	0.24	3.84		4,066,455,333	1,512,378.87	2688.780843	3,952,189,421	1,524,424.87	2592.577	-96.2035	-3.57796
71-80	6.48	6.18	-0.3	-4.62962963		2,338,065,560	833,558.11	2804.922095	2,053,753,742	850,192.58	2415.634	-389.289	-13.8788
81+	6.66	7.24	0.58	8.70870871		2,618,154,994	997,305.42	2625.228883	2,184,083,575	940,576.52	2322.069	-303.16	-11.5479