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To find the base rate for a specific classification unit, search by classification unit name or number.
| Rate group | 2005 Actuarial rate | 2004 Actuarial rate |
| AA | $0.06 | $0.06 |
| AB | $0.27 | $0.26 |
| AC | $0.17 | $0.20 |
| AD | $0.31 | $0.39 |
| AE | $0.23 | $0.38 |
| AG | $0.26 | $0.33 |
| AI | $1.01 | $1.00 |
| AJ | $1.23 | $1.48 |
| AK | $2.84 | $3.07 |
| AL | $1.71 | $1.69 |
| AM | $2.69 | $2.55 |
| AN | $1.40 | $2.05 |
| AO | $2.03 | $3.38 |
| AP | $3.10 | $2.98 |
| AQ | $2.60 | $2.94 |
| AR | $3.27 | $3.42 |
| AT | $4.19 | $4.91 |
| AU | $7.20 | $8.54 |
| AV | $4.57 | $5.61 |
| AW | $1.62 | $2.73 |
| AX | $5.05 | $5.44 |
| AY | $5.61 | $6.68 |
| AZ | $4.76 | $5.25 |
| BB | $1.73 | $1.70 |
| BC | $3.32 | $3.23 |
| BD | $7.28 | $7.60 |
| BE | $5.94 | $6.74 |
| BF | $7.67 | $8.48 |
| BG | $8.78 | $11.20 |
| BH | $10.20 | $10.21 |
| BM | $4.80 | $5.95 |
| BN | $3.31 | $4.03 |
| BP | $0.48 | $0.39 |
| BR | $0.97 | $0.97 |
| BS | $2.40 | $2.58 |
| BT | $1.51 | $1.53 |
| BU | $1.77 | $1.69 |
| BV | $0.17 | $0.18 |
| BW | $0.39 | $0.40 |
| BZ | $0.93 | $0.89 |
| CA | $1.15 | $1.20 |
| CB | $1.31 | $1.35 |
| CC | $1.07 | $0.99 |
| CD | $1.24 | $1.25 |
| CE | $1.31 | $1.21 |
| CF | $1.70 | $1.52 |
| CG | $0.84 | $1.16 |
| CH | $4.26 | $3.79 |
| CI | $6.98 | $8.02 |
| CJ | $3.25 | $3.07 |
| CK | $1.77 | $2.15 |
| CL | $3.24 | $3.63 |
| CN | $14.83 | $13.75 |
| CQ | $0.45 | $0.62 |
| CR | $1.34 | $1.59 |
| CS | $16.08 | $13.88 |
| CU | $6.07 | $6.33 |
| CV | $2.58 | $2.36 |
| CW | $5.96 | $4.82 |
| CX | $3.98 | $3.56 |
| CY | $3.21 | $4.22 |
| CZ | $4.36 | $4.38 |
| DA | $6.13 | $6.60 |
| DB | $2.97 | $3.38 |
| DC | $2.19 | $2.67 |
| DD | $3.87 | $4.29 |
| DE | $4.69 | $5.36 |
| DF | $2.25 | $1.93 |
| DG | $6.06 | $6.29 |
| DH | $1.95 | $2.31 |
| DI | $6.40 | $6.09 |
| DK | $0.83 | $0.88 |
| DL | $0.93 | $0.82 |
| DM | $1.74 | $1.79 |
| DO | $1.59 | $1.61 |
| DQ | $2.23 | $2.31 |
| DR | $11.39 | $10.74 |
| DS | $0.29 | $0.30 |
| DT | $0.33 | $0.19 |
| DU | $0.11 | $0.09 |
| DV | $0.63 | $0.80 |
| DW | $5.46 | $6.00 |
| DY | $0.50 | $0.47 |
| DZ | $0.50 | $0.42 |
| EA | $0.85 | $0.88 |
| EE | $0.19 | $0.18 |
| EF | $0.52 | $0.62 |
| EG | $4.13 | $4.57 |
| EH | $6.78 | $6.41 |
| EI | $3.81 | $3.24 |
| EJ | $1.52 | $1.81 |
| EK | $4.56 | $4.68 |
| EL | $7.28 | $8.71 |
| EM | $7.83 | --- |