Number and Power of Machinery and Equipment Owned by Construction Enterprises by Region
Year	Number of Machinery and Equipment Owned	Total Power of Machinery and Equipment Owned (10 000 kw)	Power of Construction Machines	Net Value of Machinery and Equipment Owned (10 000 yuan)	Value of Machines Per Laborer (yuan/person)	Power of Machines Per Laborer (kw/person)
1991	2528110	4250.2	2780.6	2722151	2572	4.0
1992	2531578	4431.9	3006.6	3147398	2719	3.8
1993	2608091	4948.9	3349.6	4671699	4105	4.3
1994	2952629	5712.7	4012.5	4981982	3446	4.0
1995	3482784	7056.5	4399.4	6386383	4264	4.7
1996	5649612	9804.8	6448.9	8814352	4154	4.6
1997	5604603	8668.5	6782.4	9938659	4729	4.1
1998	5833748	8656.5	6641.1	10407189	5127	4.3
1999	6110175	9077.8	6973.0	11628317	5756	4.5
2000	6259885	9228.1	7100.1	12572317	6304	4.6
2001	7022174	10251.7	8017.5	15062491	7136	4.9