Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_12720275_1 ( rank__csa_ VARCHAR, percent_change__1990_2000_ VARCHAR )

### Question ###
What is the rank (csa) for the percentage change (1990-2000) was a034 +8.71%?

### Accurate SQL ###

SELECT rank__csa_ FROM table_12720275_1 WHERE percent_change__1990_2000_ = "A034 +8.71%"