Checks on its power come from the government of the day and Israel's Supreme Court – the 15 unelected justices. However, his interest in weakening the powers of Israel's Supreme Court has grown in virtual lock-step with his personal legal woes. But the frequency of the Israeli Supreme Court striking down laws is low. From 1995 to 2016, for example, the U.S. Supreme Court invalidated legislation about 2.3. times per year, according to the IDI's calculations. However, on another metric – the number of petitions Israel's Supreme Court receives seeking to invalidate laws – its activity has risen sharply.