Rising premiums are the democrats responsibility. 0bamacare was structured for increasing premiums (among other built in failures).
Not one Republican voted for 0bamacare.
The Rats own it lock stock and barrel.
5.56mm
There's a 'LOW LOW INTRODUCTORY PRICE!'
Each successive year there's a percentage increase.
It was all coordinated with insurers which is why the initial rates were relatively low.