FiveThirtyEight.
... "Moreover, the percentage who believe that Obama inherited the nation’s current economic conditions has dipped below 50 percent for the first time. According to the latest NBC News/Wall Street Journal poll, it’s just 46 percent of Americans. Although that’s only one poll, it’s far beyond the prior low of 56 percent recorded by the NBC survey. And nearly 50 percent is not that low considering that Obama has been in the Oval Office for more than five years. The percentage who believe Obama is responsible is also at an all-time high: 39 percent in the NBC/Wall Street Journal poll."