Table 2. Cattle production in Brazil from 1977 to 2011 in 5-year periods per region with regard to the number of head and percentage acceleration (standard error).

Regions	Year Interval
	77–81		82–86		87–91		92–96		97–01		02/06		07/11
	N°head1	%	N°head	%	N°head	%	N°head	%	N°head	%	N°head	%	Nºhead	%
MW	59,780a	-5.27a	77,777a	-31.3a	93,959a	-5.19b	112,800a	-14.35b	124,350a	-3.42a	149,937a	-7.62c	151,577a	0.22a
	(5582)	(7.70)	(5821)	(7.84)	(6156)	(3.11)	(6833)	(5.63)	(7076)	(3.67)	(8470)	(1.68)	(8362)	(1.60)
N	13,395b	352.82a	20,223b	-308.67b	28,876b	-52.94a	39,218b	-3.24ab	51,060b	2.46a	83,160b	-3.94c	90,317b	-20.69b
	(1691)	(146.71)	(2102)	(150)	(2901)	(24.90)	(3026)	(10.25)	(3193)	(8.63)	(5766)	(5.91)	(6691)	(5.52)
NE	11,612b	11.34a	12,400b	-16.95a	14,246c	-5.35b	13,310c	-10.86b	12,679c	1.00a	14,468c	22.52a	16,083c	-14.12b
	(442)	(2.06)	(452)	(2.05)	(475)	(1.54)	(465)	(1.66)	(378)	(1.69)	(492)	(1.66)	(549)	(1.63)
S	19,110b	6.60a	20,686b	-13.1a	21,272c	-5.8b	21,980c	5.19a	22,297c	-6.24a	23,339c	1.20b	23,185c	6.74a
	(1421)	(1.38)	(1450)	(1.59)	(1421)	(1.43)	(1348)	(1.75)	(1220)	(1.83)	(1302)	(1.47)	(1262)	(1.16)
SE	21,249b	-26.47a	21,020b	2.64a	21,685c	-0.68b	22,344c	-2.23ab	22,186c	-1.16a	23,295c	4.39b	151,577a	-2.45a
	(772)	(3.34)	(816)	(3.22)	(864)	(1.70)	(819)	(2.82)	(765)	(1.69)	(822)	(2.43)	(8362)	(1.88)
Average	25,029	67.80	30,421.20	-73.47	36,007.60	-13.99	41,930.40	-5.09	46,514.40	-1.47	58,839.80	3.31	86,547.80	-6.06
Total	125,146		152,106		180,038		209,652		232,572		294,199		432,739

¹ Number of animals per municipality per year; MW–Midwest; N–north; S–South, SE–Southeast, NE–Northeast.

Means in the same column with different letters indicate a difference according to the Tukey test (P<0.05).