(ax, 2021, 4, "3.4")
annotate(ax, 2020, 3, "3.3")
annotate(ax, 2019, 4, "3.2")
annotate(ax, 2019, 2,..."3.1")
annotate(ax, 2018, 3, "3.0", y0=1.5)
annotate(ax, 2018, 1, "2.2", fc="#777777")
annotate(ax, 2017..., 4, "2.1", y0=2.5)
annotate(ax, 2017, 2, "2.0")
annotate(ax, 2015, 2, "1.5")
annotate(ax, 2014, 1, "...1.4")
annotate(ax, 2013, 2, "1.3")
annotate(ax, 2012, 1, "1.2")
annotate(ax, 2011, 3, "1.1", y0=2.5)...annotate(ax, 2011, 2, "1.0")
annotate(ax, 2009, 1, "0.99")
annotate(ax, 2003, 1, "0.10")
文本注释
Axes.text