| 1 | A | B | C | D | E | F | G | H | I | J | K | L | M |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | sales and market share |  |  |  |  |  |  |  |  |  |  |  |  |
| 3 | year | california |  |  |  |  |  | none | u.s |  | none | ca share of u.s. pev sales(3) | ratio ca/us market shares |
| 4 |  | all-electric | bev market share(1) | plug-in hybrid | phev market share(1) | total pev california | pev market share(1) |  | total pev sales | pev market share(2) |  |  |  |
| 5 | 2010 | 300 | 0.0% | 97 | 0.0% | 397 | 0.0% | none | 397 | 0.003% | none | 100% | none |
| 6 | 2011 | 5,302 | 0.4% | 1,662 | 0.1% | 6,964 | 0.5% | none | 17,821 | 0.14% | none | 39.1% | 3.57 |
| 7 | 2012 | 5,990 | 0.4% | 14,103 | 0.9% | 20,093 | 1.3% | none | 53,392 | 0.37% | none | 37.6% | 3.51 |
| 8 | 2013 | 21,912 | 1.3% | 20,633 | 1.2% | 42,545 | 2.5% | none | 96,602 | 0.62% | none | 44.0% | 4.03 |
| 9 | 2014 | 29,536 | 1.6% | 29,949 | 1.6% | 59,485 | 3.2% | none | 123,347 | 0.71% | none | 48.2% | 4.27 |
| 10 | 2015 | 34,477 | 1.7% | 27,740 | 1.4% | 62,217 | 3.1% | none | 114,248 | 0.66% | none | 54.5% | 4.70 |
| 11 | 2016 | 40,347 | 1.9% | 34,727 | 1.7% | 75,074 | 3.6% | none | 157,181 | 0.90% | none | 47.8% | 4.00 |
| 12 | 2017 | 53,500 | 2.6% | 45,040 | 2.2% | 98,540 | 4.8% | none | 194,479 | 1.13% | none | 50.7% | 4.23 |
| 13 | 2018 | 94,813 | 4.7% | 62,846 | 3.1% | 157,659 | 7.8% | none | 361,307 | 2.10% | none | 43.6% | 3.71 |
| 14 | none | none | none | none | none | none | none | none | none | none | none | none | none |
| 15 | total | 286,177 | n.a | 236,797 | n.a | 522,974 | n.a | none | 1,118,722 | n.a | none | 46.7% | n.a |
| 16 | notes: (1) market share of total new car registrations in california. (2) u.s |  |  |  |  |  |  |  |  |  |  |  |  |

Question: how many times of california's market share are higher relative to the u.s. market in 2015?
Answer: 4.7