when the population was 1599, what was the census ranking?
{'header': ['Official Name', 'Status', 'Area km 2', 'Population', 'Census Ranking'], 'page_title': 'Carleton County, New Brunswick', 'section_title': 'Parishes', 'caption': 'Parishes', 'rows': [['Wakefield', 'Parish', '196.42', '2703', '1,079 of 5,008'], ['Kent', 'Parish', '839.79', '2361', '1,184 of 5,008'], ['Woodstock', 'Parish', '197.45', '2148', '1,258 of 5,008'], ['Brighton', 'Parish', '508.30', '1834', '1,402 of 5,008'], ['Wicklow', 'Parish', '195.50', '1753', '1,441 of 5,008'], ['Northampton', 'Parish', '243.31', '1599', '1,537 of 5,008'], ['Richmond', 'Parish', '258.82', '1414', '1,666 of 5,008'], ['Peel', 'Parish', '113.12', '1257', '1,779 of 5,008'], ['Wilmot', 'Parish', '191.43', '1143', '1,888 of 5,008'], ['Aberdeen', 'Parish', '447.91', '959', '2,105 of 5,008']]}