Carlos Arvelo Municipality
By Year
Table:
Population by year[7]

2011
2009
2005
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990

150,277
140,000
115,963
107,370
105,558
103,700
101,814
99,900
97,960
95,993
94,001
91,983
89,941
87,874

Per the details in the tabular data covering 'Carlos Arvelo Municipality' in the 'By Year' section, write a one-sentence description of the highlighted cells and format it within the following JSON object {"answer": "YOUR ANSWER"}.