From a global energy crunch, to a warning that Christmas could be cancelled, this is the Week in Numbers.

Around 600% is the gain for natural gas prices in Europe so far this year. And signs of an energy crunch can be found wherever you look.

Chinese coal prices are at record levels, U.S. gasoline is at seven-year highs, and benchmark crude climbs by the day.

As economists worry about the risk to economic recovery, households worry about their fuel bills.

About 500,000 containers are stuck on ships just at Long Beach port in California.

A shortage of warehouse workers and truck drivers is partly to blame, and there are similar scenes worldwide.

This week the White House warned that shoppers might find some Christmas gifts hard to come by.

30 billion euros, or about $35 billion, is how much French president Emmanuel Macron aims to invest by 2030.

That's to turn his country into a low-emission high-tech powerhouse.

''We absolutely must prepare for breakaway technologies and for a deep transformation in nuclear.''

On Macron's shopping list are mini nuclear reactors, low-carbon planes, and massive hydrogen fuel factories.

Almost $60,000 was Bitcoin's level by Friday. The cryptocurrency is at six-month highs, and closing in on its all-time peak.

Investors say the rally comes amid bets that U.S. regulators will soon allow exchange-traded funds featuring Bitcoin futures.

And 75 years marks the end for Alitalia. The Italian airline counted numerous popes among its passengers.

But it made a full-year profit precisely once this century, and had to be bailed out numerous times.

On Friday, successor airline ITA took over all operations.