Waterville, Iowa
Demographics
Table:
Historical populations
Year	Pop.	±%
1920	183	—
1930	222	+21.3%
1940	253	+14.0%
1950	199	−21.3%
1960	184	−7.5%
1970	158	−14.1%
1980	157	−0.6%
1990	140	−10.8%
2000	145	+3.6%
2010	144	−0.7%
1880	73	−49.3%
2016	141	+93.2%
Source:"American FactFinder". United States Census Bureau. and Iowa Data Center
Source: U.S. Decennial Census[8]

Having looked at the following table concerning 'Waterville, Iowa' titled 'Demographics', give a one-line statement limited to the highlighted cells and return it as JSON: {"answer": "YOUR ANSWER"}.