This may be overly simplistic, but public companies must report once every quarter. Just change the report from monthly to quarterly - data can be extrapolated based on previous reports, new equipment purchases, supply purchases etc.
Reminds me of the old adage: Garbage In = Garbage Out. More correctly, it is a reminder to take all studies and surveys and statistics information with a healthy dose of skepticism UNLESS you know the real constituents of the data. Without the data constituent knowledge, you can only extrapolate gross trends.
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.