In the first quarter 2017, ride-hailing Uber grew just 1% from the previous quarter but is still the most expensed ride-hailing provider among U.S. business travelers at 53%. Lyft gained an additional 2% to reach 10%.

According to the Certify SpendSmart Report for Q1 2017, ride hailing now accounts for 59% of all ground transportation transactions — car rental, taxi, and ride hailing. Car rental accounts for 31% of transactions while the taxi industry only takes 10%.

The SpendSmart Report analyzes the latest data and analysis of U.S. business travel expense spending trends.The data is collated based on transaction volume, not overall revenue in each category.

Looking at the ground transportation category year-over-year, car rental dropped 9% for the biggest decline since first quarter 2016, according to the report. Taxi lost 4% year-over-year. Uber saw a 10% growth while Lyft grew 4% in the last year.

For average cost per ride, the cost of the average taxi transaction has declined over the past year; it’s gone from $39.68 in Q1 2016 to $33.90 in Q1 2017, according to the report. Expenses for Uber and Lyft have remained flat year-over-year (Lyft: $23.53 to $24.36; Uber: $26.41 to $27.62).

When looking by city, New York and Chicago remain strong areas for taxis while Uber and Lyft battle for share in cities across the U.S. Uber saw its greatest gains in Miami, increasing 22%, according to the report.