| 1 | A | B | C | D | E | F | G |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | march and june seeded area estimates, principal field crops, canada, 2008 to 2018 |  |  |  |  |  |  |
| 3 | seeded area | canola | all wheat | soybeans | barley | oats | corn for grain |
| 4 |  | thousand of acres |  |  |  |  |  |
| 5 | 2018 |  |  |  |  |  |  |
| 6 | march | 21,383 | 25,259 | 6,452 | 6,059 | 3,148 | 3,758 |
| 7 | june | 22,740 | 24,710 | 6,320 | 6,499 | 3,053 | 3,634 |
| 8 | % difference | 6.3 | -2.2 | -2.0 | 7.3 | -3.0 | -3.3 |
| 9 | 2017 |  |  |  |  |  |  |
| 10 | march | 22,387 | 23,182 | 6,956 | 5,880 | 3,419 | 3,751 |
| 11 | june | 22,837 | 22,361 | 7,282 | 5,771 | 3,220 | 3,576 |
| 12 | % difference | 2.0 | -3.5 | 4.7 | -1.9 | -5.8 | -4.7 |
| 13 | 2016 |  |  |  |  |  |  |
| 14 | march | 19,345 | 23,846 | 5,306 | 6,777 | 2,972 | 3,477 |
| 15 | june | 20,020 | 23,177 | 5,465 | 6,385 | 2,861 | 3,330 |
| 16 | % difference | 3.5 | -2.8 | 3.0 | -5.8 | -3.7 | -4.2 |
| 17 | 2015 |  |  |  |  |  |  |
| 18 | march | 19,416 | 24,765 | 5,375 | 6,478 | 3,645 | 3,268 |
| 19 | june | 19,840 | 24,142 | 5,420 | 6,511 | 3,403 | 3,252 |
| 20 | % difference | 2.2 | -2.5 | 0.8 | 0.5 | -6.6 | -0.5 |
| 21 | 2014 |  |  |  |  |  |  |
| 22 | march | 19,801 | 24,766 | 5,264 | 6,311 | 3,188 | 3,369 |
| 23 | june | 20,228 | 24,087 | 5,583 | 6,089 | 3,046 | 3,119 |
| 24 | % difference | 2.2 | -2.7 | 6.1 | -3.5 | -4.4 | -7.4 |
| 25 | 2013 |  |  |  |  |  |  |
| 26 | march | 19,133 | 26,618 | 4,294 | 7,240 | 3,379 | 3,813 |
| 27 | june | 19,738 | 25,906 | 4,589 | 7,175 | 3,371 | 3,645 |
| 28 | % difference | 3.2 | -2.7 | 6.9 | -0.9 | -0.2 | -4.4 |
| 29 | 2012 |  |  |  |  |  |  |
| 30 | march | 20,372 | 24,325 | 3,969 | 7,968 | 3,393 | 3,562 |
| 31 | june | 21,273 | 23,812 | 4,316 | 7,365 | 3,074 | 3,638 |
| 32 | % difference | 4.4 | -2.1 | 8.7 | -7.6 | -9.4 | 2.2 |
| 33 | 2011 |  |  |  |  |  |  |
| 34 | march | 19,225 | 24,724 | 3,757 | 7,833 | 4,056 | 3,211 |
| 35 | june | 19,800 | 23,568 | 3,885 | 7,139 | 3,814 | 3,041 |
| 36 | % difference | 3.0 | -4.7 | 3.4 | -8.9 | -6.0 | -5.3 |
| 37 | 2010 |  |  |  |  |  |  |
| 38 | march | 16,907 | 23,221 | 3,532 | 8,344 | 3,992 | 3,016 |
| 39 | june | 17,895 | 22,720 | 3,724 | 8,052 | 3,738 | 2,981 |
| 40 | % difference | 5.8 | -2.2 | 5.4 | -3.5 | -6.4 | -1.2 |
| 41 | 2009 |  |  |  |  |  |  |
| 42 | march | 14,990 | 25,161 | 3,284 | 9,476 | 3,955 | 3,084 |
| 43 | june | 15,825 | 24,932 | 3,476 | 8,778 | 3,879 | 3,041 |
| 44 | % difference | 5.6 | -0.9 | 5.8 | -7.4 | -1.9 | -1.4 |
| 45 | 2008 |  |  |  |  |  |  |
| 46 | march | 14,805 | 25,109 | 2,985 | 9,332 | 4,485 | 3,005 |
| 47 | june | 15,812 | 25,100 | 2,993 | 9,072 | 4,382 | 2,975 |
| 48 | % difference | 6.8 | 0.0 | 0.3 | -2.8 | -2.3 | -1.0 |
| 49 | average % change by crop type | 4.1 | -2.4 | 3.9 | -3.1 | -4.5 | -2.8 |

Question: what is the range of the average percentage difference at the national level in the preliminary acreage reports collected through the march farm survey for canada's major field crops from 2008 to 2017.
Answer: -4.5, 4.1