This is probably true, although it's just a guess on my part.
"Reliable statistics on the prevalence of shaken baby syndrome do not exist. Estimates in the United States approach 50,000 cases each year."
http://www.healthline.com/galecontent/shaken-baby-syndrome-2
http://www.google.com/search?q=statistics+on+shaken+baby+syndrome+2010&oq=stats+on+shaken+bab&aqs=chrome.2.69i57j0l5.7635j0j7&sourceid=chrome&espv=210&es_sm=119&ie=UTF-8
True or False
80% of offenders of Shaken Baby Syndrome have no previous history of child abuse.
2 answers
8. The most common age of a child with shaken baby syndrome is _______ months.
A. 8 to 12
B. 1 to 3
C. 3 to 6
D. 6 to 8
A. 8 to 12
B. 1 to 3
C. 3 to 6
D. 6 to 8