LOL how about you read properly cunt. The "INCLUDES ACCIDENTS" part is mearly Phillip J. Resnick take on reasons why it happens not actual data.
If you had read it properly you would have seen the links to the real report website.
sciencedirect.com/science/article/pii/S0379073813005422
you can even download the PDF you snobby cunt.
The study analyzed 15,961 filicide arrests comprising 2.5% of all murders during the study period.
Materials and methods
15,961 (2.5%) of cases were classified as filicides.
Results
Characteristics of filicide offenders and victims in the U.S. over the 32-year period
The N analyzed for victim age, offender age, offender sex, victim's relationship to the offender, and murder weapon used was 15,691; The N analyzed for victim sex was 15,676, for victim race was 15,552, for offender race was 15,437, for offender–victim relationship was 15,564, and for 5-year block filicide incidence trends was 14,779.
Victims
There were 2217 victims aged one, 1641 aged two, 904 aged three, 627 aged four, 408 aged five, and 260 aged six. Associated percentages were unaffected.
Offenders
For victims with a modal age under one year old, 51% of offenders were female and 49% were male.
Incidence by 5-year blocks of time
An average of 490 filicides occurred annually for the 32-year study period, 537 annually for 1991–1995, and 445 annually for 2001–2005.
Oh and guess what cunt you were wrong about IQ as well
iq-research.info/en/average-iq-by-country
worlddata.info/iq-by-country.php
now seriously go and fuck yourself