Issue description

I was using webpack-bundle-analyzer normally, but in last times, the result just shows stat size and no more gzip size and parsed size.

Technical info

• Webpack Bundle Analyzer version: 2.9.1
• Webpack version: 3.10.0
• Node.js version: 6.10.2
• npm version: 5.6.0
• OS: macOS HighSierra

Debug info

How do you use this module? As CLI utility or as plugin? As CLI utility

If CLI, what command was used? webpack-bundle-analyzer dist/stats.json

If plugin, what options were provided? No

What other Webpack plugins were used? angular-cli 1.6.0

stats.json.zip