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No. of Tea Estates

1961	1971	1981	1988	1993	1994	1995	1996	1997	1998	1999
155	151	154	162	163	168	168	191	191	423	532

Area under Tea
(Figures in Hectares)

1951	1961	1971	1981	1988	1993	1994	1995	1996	1997	1998	1999
54609	54756	59485	63418	13280	67510	67779	69175	69748	69630	70479	70996

Monthwise production of Tea during 1998
(quantity in th. kgs.)

Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
1651	255	7352	13224	11683	16251	16207	14949	20545	12253	17150	15613	147133

Yearwise production of Tea
(quantity in th. kgs.)

1951	1961	1971	1981	1988	1993	1994	1995	1996	1997	1998	1999
63944	66898	80840	100251	114066	125906	123097	121420	125253	129760	147133	133803

Production of green Tea
(quantity in th. kgs.)

1961	1971	1981	1988	1992	1993	1994	1995	1996	1997	1998	1999
2086	4110	2899	3043	2097	1770	2127	1899	1860	1926	2755	2221

Average yield
(Figures in kg./hectres)

1951	1961	1971	1981	1988	1993	1994	1995	1996	1997	1998	1999
1711	1222	1359	1581	1801	1865	1816	1755	1796	1864	2088	1885

Area under different age group of bushes as on 31.12.1998
(Figures in hectres)

Below 5 years	5-10 years	11-20 years	21-30 years	31-40 years	41-50 years	Over 50 years	Total
5350	5330	6383	6340	8108	4626	26517	62354

Estimated Total Number of Labour on Roll as on 31st December of each year

Year	Resident	Outside		Total	Estimated no. of bonafide dependents of resident workers on roll as on 31st December of the years.
Year	Resident	Permanent	Temporary	Total
1996	167157	4953	14923	189033	266724
1997	165200	4608	15311	185119	240980
1998	167017	4652	15479	187148	243630

Estimated average Daily Number of Labour Employed in Tea Plantation

1980	1981	1982	1988	1993	1994	1995	1996	1997	1998
149571	146536	147680	167231	160693	160521	160085	159891	159378	161176