{
  "fields": [{"id":"_id","type":"int"},{"id":"年","type":"numeric"},{"id":"区分","type":"text"},{"id":"農家数（農家）","type":"numeric"}],
  "records": [
    [1,1980,"専業",24],
    [2,1980,"第一種兼業",23],
    [3,1980,"第二種兼業",101],
    [4,1985,"専業",18],
    [5,1985,"第一種兼業",19],
    [6,1985,"第二種兼業",97],
    [7,1990,"専業",25],
    [8,1990,"第一種兼業",7],
    [9,1990,"第二種兼業",74],
    [10,1995,"専業",10],
    [11,1995,"第一種兼業",23],
    [12,1995,"第二種兼業",47],
    [13,2000,"専業",15],
    [14,2000,"第一種兼業",5],
    [15,2000,"第二種兼業",24],
    [16,2005,"専業",12],
    [17,2005,"第一種兼業",6],
    [18,2005,"第二種兼業",23],
    [19,2010,"専業",10],
    [20,2010,"第一種兼業",2],
    [21,2010,"第二種兼業",26],
    [22,2015,"専業",13],
    [23,2015,"第一種兼業",2],
    [24,2015,"第二種兼業",20],
    [25,2020,"専業",6],
    [26,2020,"兼業",30]
]}