nitpick here. the visual says diarrheal diseases (10%) + pneumonia(15%) = 25% total. why is that bottom left blue box larger than 1/4 of the full box? the to

nitpick here. the visual says diarrheal diseases (10%) + pneumonia(15%) = 25% total. why is that bottom left blue box larger than 1/4 of the full box? the top left red box totals >29% , and why is that box smaller than the bottom left blue box (25%) ?