Year	Labor^a (employees)	Capital (million RMB, 1955 constant prices)	Turnover^b (million tkm)	Year	Labor^a (employees)	Capital (million RMB, 1955 constant prices)	Turnover^b (million tkm)
1955	2696	65	9	1984	43,376	1723	446
1956	4167	86	16	1985	48,762	2204	607
1957	4845	145	14	1986	54,696	3183	726
1958	6274	180	20	1987	58,226	6139	966
1959	10,737	253	30	1988	69,590	6425	1125
1960	12,354	321	36	1989	75,301	7412	1048
1961	12,037	311	31	1990	75,865	8688	1271
1962	10,565	297	22	1991	82,813	10,675	1624
1963	10,481	291	25	1992	93,338	14,526	2238
1964	11,924	384	31	1993	102,909	16,084	2683
1965	12,114	403	40	1994	104,710	19,809	3055
1966	12,778	438	42	1995	111,360	23,817	3843
1967	12,765	461	47	1996	102,997	26,719	4490
1968	13,411	455	39	1997	95,102	32,335	4688
1969	12,404	450	37	1998	74,041	35,731	5074
1970	15,971	449	39	1999	95,792	52,770	5616
1971	19,302	513	43	2000	97,667	51,710	6450
1972	24,960	621	49	2001	97,529	67,940	7720
1973	26,668	876	57	2002	104,046	70,541	9252
1974	24,277	1091	82	2003	111,444	72,804	9753
1975	25,754	1097	107	2004	125,677	69,604	12,960
1976	26,301	1094	112	2005	137,690	77,973	14,741
1977	27,017	1206	126	2006	163,367	80,870	17,208
1978	30,512	1334	173	2007	184,029	83,183	20,372
1979	32,380	1400	211	2008	180,523	98,608	21,220
1980	34,345	1561	244	2009	166,611	106,372	25,164
1981	34,349	1554	282	2010	164,905	113,982	30,488
1982	36,310	1520	322	2011	180,214	121,717	33,612
1983	39,330	1581	322