Diabetes in the United States has risen by a third since 1990, and treatment costs $100 billion a year.
Within 18 months, it had risen by a third.
Micron shares have risen by a third in the last three months.
In others, child labour has risen by a third as parents struggle to earn a living.
Their best guesses are that prices have risen by a third since last summer.
Improved productivity in the nuclear sector, where output has risen by a third since 1991, and an increase in renewable energies such as wind power could also help.
Bad loans in Spain have risen by a third over the past year, to €148 billion or 8.4% of outstanding loans, the highest since August 1994.
Industrial output, which grew by an impressive 9.2% in 1995, issf running out of steam, while real wages have risen by a third since 1992.
Since then, it has devoted £650m ($1.1 billion) to its campaign and the number of children skipping school has risen by a third.
Demand for counselling services on campuses in the UK has risen by a third since 2008 according to a new investigation.
It has risen by a third in real terms since, and is now accepted by employers and the Conservatives who initially opposed it.
