In which year was the total disbursement of loans of banks A and B exactly equal to the total disbursement of loans of banks C and D?

In 2005,
Total disbursement of loans of banks A and B = Disbursement of loans of ( Bank A + Bank B )
Total disbursement of loans of banks A and B = 18 + 27 = 45
Total disbursement of loans of banks C and D = Disbursement of loans of ( Bank C + Bank D )
Total disbursement of loans of banks C and D = 19 + 13 = 32
In 2006,
Total disbursement of loans of banks A and B = Disbursement of loans of ( Bank A + Bank B )
Total disbursement of loans of banks A and B = 23 + 33 = 56
Total disbursement of loans of banks C and D = Disbursement of loans of ( Bank C + Bank D )
Total disbursement of loans of banks C and D = 29 + 19 = 48
In 2007,
Total disbursement of loans of banks A and B = Disbursement of loans of ( Bank A + Bank B )
Total disbursement of loans of banks A and B = 45 + 18 = 63
Total disbursement of loans of banks C and D = Disbursement of loans of ( Bank C + Bank D )
Total disbursement of loans of banks C and D = 22+ 28 = 50
In 2008,
Total disbursement of loans of banks A and B = Disbursement of loans of ( Bank A + Bank B )
Total disbursement of loans of banks A and B = 30 + 41 = 71
Total disbursement of loans of banks C and D = Disbursement of loans of ( Bank C + Bank D )
Total disbursement of loans of banks C and D = 17 + 32 = 49
Since , it is clear that total disbursement of loans of banks A and B is not equal to the total disbursement of loans of banks C and D in any year.