我有一个包含分位数的小型 Pandas 数据框，我想通过条形图绘制它们。虽然出现在 Pandas 数据框索引上的分位数在绘制时被四舍五入为 2 个十进制数字，但出现多个十进制数字，这使得绘图变得丑陋。如何将 xtick 标签四舍五入为 2 位十进制数字？
对于一个可重现的示例，我提供了数据、代码和生成的图。
plot_data.to_json()
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plot_data = df_max_chng_3m.quantile(np.arange(0,1.05, 0.05)) *100
colors = ['#a6cee3','#1f78b4','#b2df8a','#33a02c','#fb9a99','#e31a1c','#fdbf6f',
'#ff7f00','#cab2d6','#6a3d9a','#ffff99','#b15928']
plot_data.plot(kind = 'bar', color = colors)
plt.title('Quantiles of Maximum Percent Change of Price over a 3 Minutes window', fontsize = 18)
plt.ylabel('Maximum Percent Change of Price \n Over a 3 minutes window (%)')
