History: UberX Rate Cuts in DFW

Rates from 11/18/13 (DFW UberX Rollout)
Base fare: $2
Per mile: $1.90
Per minute: $0.30
Minimum fare: $6
Cancellation Fee: $8

Rates from 9/11/14
Base: $1.90
Per Mile: $1.48
Per Minute: $0.19
Min Fare: $5.70
Cancellation Fee: $?

Rates from ??/??/14
Base: $0.00
Per Mile: $1.20
Per Minute: $0.19
Min Fare: $5.00
Cancellation Fee: $6

Rates from ??/??/14
Base: $0.00
Per Mile: $1.10
Per Minute: $0.17
Min Fare: $5.00
Cancellation Fee: $6

Rates from 1/12/15
Base: $0.00
Per Mile: $0.90
Per Minute: $0.15
Min Fare: $4.00
Cancellation Fee: $6

Rates from 5/20/15
Base: $0.00
Per Mile: $1.00
Per Minute: $0.15
Min Fare: $4.00
Cancellation Fee: $6

Current (as of 8/01/15)
Base: $1.00
Per Mile: $0.85
Per Minute: $0.10
Min Fare: $3.50
Cancellation Fee: $6