These NaN are very strange…
I think (as pointed out by @nigel_carpenter) the results are very sensitive to the large claims…
On my side the last week results indicate one large claim around 15K that I got (relatively) often :
It also looks like the conversion rate still varies a lot (so the prices haven’t stabilized yet).
I have a question for @alfarzan: can you confirm the number of policies in the often, sometimes and rarely is the same ? I don’t understand how I got this split if that’s the case 
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