Cause. Hives can also be classified by the purported causative agent. Many different substances in the environment may cause hives, including medications, food and physical agents. In perhaps more than 50% of people with chronic hives of unknown cause, it is due to an autoimmune reaction. Medications
The average American pays almost 30% of their income to taxes. Here's the breakdown. According to the IRS's preliminary data from the 2015 tax year (the returns you filed during 2016), there was a total of $1.454 trillion in income tax owed, which translates to an average effective federal income tax rate of about 13.5% per return.
The Personal Income Tax Rate in Canada stands at 33 percent. Personal Income Tax Rate in Canada averaged 29.29 percent from 2003 until 2016, reaching an all time high of 33.00 percent in 2016 and a record low of 29.00 percent in 2004. 1Y 5Y 10Y MAX.