Month Year | Jan. | Feb | Mar. | April | May | June | July | Aug. | Sep. | Oct. | Nov. | Dec. |
2006 | 0.204 | 0.261 | 0.342 | 0.319 | 0.289 | 0.416 | 0.381 | 0.3615 | 0.274 | 0.222 | 0.194 | 0.2437 |
2007 | 0.301 | 0.275 | 0.366 | 0.353 | 0.328 | 0.361 | 0.366 | 0.3399 | 0.285 | 0.242 | 0.208 | 0.2042 |
2008 | 0.242 | 0.36 | 0.301 | 0.398 | 0.302 | 0.37 | 0.39 | 0.3418 | 0.328 | 0.286 | 0.204 | 0.2088 |
2009 | 0.233 | 0.31 | 0.356 | 0.31 | 0.33 | 0.368 | 0.418 | 0.342 | 0.29 | 0.226 | 0.21 | 0.1816 |
2010 | 0.21 | 0.257 | 0.442 | 0.382 | 0.366 | 0.401 | 0.413 | 0.3592 | 0.258 | 0.235 | 0.182 | 0.2018 |
2011 | 0.25 | 0.241 | 0.283 | 0.336 | 0.327 | 0.45 | 0.46 | 0.3583 | 0.257 | 0.259 | 0.201 | 0.2316 |
2012 | 0.252 | 0.345 | 0.442 | 0.346 | 0.35 | 0.417 | 0.388 | 0.3533 | 0.25 | 0.218 | 0.184 | 0.1906 |
2013 | 0.229 | 0.265 | 0.272 | 0.311 | 0.313 | 0.41 | 0.382 | 0.3315 | 0.262 | 0.209 | 0.167 | 0.2022 |
2014 | 0.216 | 0.281 | 0.295 | 0.291 | 0.281 | 0.361 | 0.373 | 0.3356 | 0.275 | 0.213 | 0.185 | 0.2168 |
2015 | 0.296 | 0.273 | 0.346 | 0.427 | 0.315 | 0.402 | 0.347 | 0.3498 | 0.282 | 0.23 | 0.189 | 0.2786 |