change x axis

app.py

@@ -108,7 +108,7 @@ def plot_interest_coverage(interest_rate):
     plt.legend(loc = "upper left")
     plt.ylim(0, 1.05)
     plt.yticks(np.arange(0, 1.1, 0.1))
-    plt.xticks(range(1940,2055,2), rotation = 90)
+    plt.xticks(range(1940,2055,4), rotation = 45)
     plt.axvline(x = 2024, color = "black")
     plt.grid(True, axis = 'y', linestyle = '--', linewidth = 0.7)