| April 2013 | |||
| Detail for Computation of the Median CPI | |||
| Component | Annualized 1-month % change | Relative Importance | Cumulative Relative Importance |
| Motor Fuel | -63.9 | 5.4 | 5.4 |
| Fuel Oil and Other Fuels | -32.8 | 0.3 | 5.7 |
| Fresh Fruits & Vegetables | -20.2 | 1 | 6.7 |
| Car and Truck Rental | -16.2 | 0.1 | 6.8 |
| Infants' & Toddlers' Apparel | -14.3 | 0.2 | 7 |
| Women's & Girls' Apparel | -12.7 | 1.5 | 8.5 |
| Tenants' and Household Insurance | -11.9 | 0.4 | 8.9 |
| Leased Cars and Trucks | -9.4 | 0.4 | 9.2 |
| Watches & Jewelry | -9.1 | 0.3 | 9.5 |
| Communication | -7 | 3.5 | 13.1 |
| Motor Vehicle Parts and Equipment | -5.5 | 0.4 | 13.5 |
| Public Transportation | -5.1 | 1.2 | 14.7 |
| Personal Care Products | -5.1 | 0.6 | 15.3 |
| Recreation | -1.1 | 6 | 21.3 |
| Household Furnishings & Operation | -1.1 | 4 | 25.3 |
| Medical Care Services | -0.6 | 5.5 | 30.8 |
| Motor Vehicle Insurance | -0.4 | 2.5 | 33.3 |
| Motor Vehicle Fees | -0.4 | 0.6 | 33.9 |
| Processed Fruits & Vegetables | -0.4 | 0.3 | 34.2 |
| Footwear | 0 | 0.7 | 34.9 |
| Dairy and Related Products | 0.1 | 0.9 | 35.8 |
| Medical Care Commodities | 0.8 | 1.7 | 37.5 |
| Motor Vehicle Maintenance & Repair | 0.9 | 1.1 | 38.6 |
| Northeast Urban: Owners' Equivalent Rent of Re | 1 | 5.4 | 44 |
| Misc Personal Services | 1.8 | 1.1 | 45.1 |
| Rent of Primary Residence | 1.8 | 6.6 | 51.6 |
| South Urban: Owners' Equivalent Rent of Reside | 2.2 | 7.8 | 59.5 |
| West Urban: Owners' Equivalent Rent of Reside | 2.6 | 6.2 | 65.7 |
| Midwest Urban: Owners' Equivalent Rent of Res | 2.7 | 4.7 | 70.3 |
| Personal Care Services | 2.7 | 0.6 | 71 |
| Alcoholic Beverages | 2.8 | 1 | 71.9 |
| Water/Sewer/Trash Collection Services | 2.8 | 1.2 | 73.1 |
| New Vehicles | 3.4 | 3.2 | 76.3 |
| Nonalcoholic Beverages & Beverage Matls | 3.5 | 0.9 | 77.3 |
| Education | 4 | 3.3 | 80.6 |
| Food Away From Home | 4.2 | 5.7 | 86.3 |
| Lodging Away From Home | 4.3 | 0.7 | 87 |
| Meats, Poultry, Fish & Eggs | 4.4 | 2 | 89 |
| Other Food At Home | 5.2 | 2.3 | 91.3 |
| Miscellaneous Personal Goods | 6.9 | 0.2 | 91.5 |
| Used Cars and Trucks | 7 | 1.9 | 93.3 |
| Tobacco & Smoking Products | 7.4 | 0.8 | 94.1 |
| Cereals & Bakery Products | 7.9 | 1.2 | 95.4 |
| Men's & Boys' Apparel | 14.5 | 0.9 | 96.2 |
| Energy Services | 18.2 | 3.8 | 100 |