What is the fine-grained topic of the following text: Total Number of Customers As of January 31, 2018, we had over 370,000 customers, including over 40,000 enterprise and commercial customers, as compared to a total of approximately 285,000 customers and over 30,000 enterprise and commercial customers as of January 31, 2017. Only return the topic.
Customer count growth from 2017 to 2018.