Because first there’s M0 inflation to take out, and then it’s well known that claims inflate for the same damage over time, and courts award bigger damages and so on.
Dollars are a problematic way to measure it.
Dollars are a problematic way to measure it.
Here I expect this time series will be used to illustrate consequences of climate change without taking into account that the US' population has grown by 45% since 1980 and that the US' real GDP has grown by 171%, which makes this time series a poor proxy metric especially when there are direct metrics (e.g. number of hurricanes, etc. per year) available.
Prevention measure cost dollars are identical to catastrophe damage cost dollars.