Country	2011	2013	2015	2017	2019	2021
Angola	3.7%	3.6%	3.5%	3.4%	3.3%	3.2%
Curaao	2.1%	0.9%	1.4%	2.3%	-0.8%	-1.6%
Israel	1.9%	1.9%	2.0%	2.0%	1.9%	1.8%
Lebanon	5.1%	6.7%	4.3%	1.6%	0.0%	-2.0%
Lithuania	-1.3%	-1.2%	-1.3%	-1.5%	-1.5%	-1.2%
Niger	4.0%	4.0%	4.0%	3.9%	3.9%	3.8%
Puerto Rico	-1.2%	-1.1%	-1.8%	-2.4%	0.0%	-1.0%
Singapore	2.1%	1.6%	1.2%	0.1%	1.2%	-4.1%
Spain	0.3%	-0.3%	-0.2%	0.0%	0.1%	0.0%
Syria	-0.1%	-10.6%	-4.0%	-2.2%	-1.5%	-0.8%
Tonga	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
Venezuela	1.5%	1.5%	1.4%	1.3%	-5.9%	-2.6%

displays this data in a graph on this page. Which country had a constant population increase above 3% year over year? Which countries had a population increase no more than 0.5% per year- year over year?

Which country had a constant population decrease for all years?