Which would become closer to 18% if the number of individuals exposed to prolonged sun time doubled (e.g. by promoting Cycling). We literally run public awareness TV campaigns telling people to stay out of direct sunlight as much as possible regardless of what protection they're wearing.
I don't think you realise it but you're proving the point.
Bikes are fine when the weather is favourable, but a lot of the people commenting here just don't grasp the fact that in some parts of the world, unfavourable weather doesn't mean you might sweat a bit, it means that the weather will make you sick and kill you in short order. The same people that dismiss warnings when visiting countries like AU and then leave with their skin peeling off.
edit: Or bicycles with roofs, similar to the car solution?
Skin cancer is estimated to kill 1,725 in Australia in 2019 [1].
During 2018 there were 1,135 road deaths [2].
I think we could reduce the number of road deaths far faster than the number of skin cancer deaths would increase.
[1]: https://melanoma.canceraustralia.gov.au/statistics [2]: https://en.wikipedia.org/wiki/List_of_motor_vehicle_deaths_i...