N个2009，N个2010一直到2019堆积到一列
for 循环好像应该用两个，没有搞出来

year1 = np.full((N,1),2009)
for i in range(T):
    c= 2009+i
    year = np.full(N)
for j in range(T):
    for k in range(T):
        c=2009+k
        k +=1
        year=np.full((N,1),c)
    year = pd.DataFrame(np.vstack([year1,year]))
    j += 1
year