Sometimes, it's best to go by the numbers. Each week, Law.com is telling critical legal stories through data visualizations.

This week, The American Lawyer scored U.S.-based and global law firms on their pro bono efforts. ALM's Patrick Fuller and Gina Passarella dug into 25 years of Am Law 200 Data to analyze how growth has impacted firm profitability. Plus Wayne Stacy, the executive director at the Berkeley Center for Law & Technology at the University of California Berkeley School of Law, unpacks. how Big Law's attrition numbers show a disturbing trend for its junior attorneys.