I've worked hard the past 3 years

Air quality has deteriorated these past few years.

And this is in the past four million years.

We've been having strange weather the past few years.

Tom has spent the past three years in prison.

However, strategies have evolved over the past three years.

Over the past 40 years, the population has tripled.

Much has been achieved over the past 60 years.

14 billion years in the past, 100 billion dog years, but an infinite number of years into the future.

And Rick Astley's kind of rebirth these past two years ...

However, over the past 10 12 years, attendance has worsened.

Thirdly, food security has improved in the past few years.

But for the past eight years, I've done something completely different.

We have been discussing this reform for the past 12 years.

This glacier has doubled its flow speed in the past 15 years.

I know. How many people have hitchhiked within the past 10 years?

Looking back over the past four years, two disquieting facts become evident.

Hence, the financial performance can not be compared with the past years.

We feel very proud of the motherland's great efforts in the past years.

Education level of women and girls was improved in the past three years.

In the past four years, 9 new member associations have joined the Federation.

Over the past two years, the PSI has grown to a global dimension.

Investments in MIS alone exceeded US 1 billion over the past 10 years.

During the past five years, there has been impressive progress in many areas.

For the past 13 years, they had given up everything and gained nothing.

Over the past 20 years, the frequency and severity of natural disasters have increased.

For the past four years, the number one female gymnast has been African American.

Number one is, they have been living essentially unchanged for the past 400 years.

How well have the world s governments performed this task over the past three years?

The number of cases accessing services has declined slightly in the past four years.

There is no doubt that much has been achieved over the past five years.

Fourthly, the tragedy of the Palestinian refugees has existed for the past 57 years.

In addition, Sierra Leone has achieved sustained economic recovery over the past three years.

Over the past 25 years, continuous mine infestation had created a catastrophic situation there.

Developments in Burundi over the past two years have often been cited as exemplary.

Over the past 2 years, a National Workshop and Local Workshops have been held.

The Plan of Activities for the next three years will build on work done and lessons learned over the past three years.

And far from furthering Bolivia's cause, the past four years may have set it back.

Since the first World Internet Conference, Wuzhen has obvious changes over the past five years.

I have 18 minutes to tell you what happened over the past six million years.

So happiness is the most popular word we have heard through the past two years.

For the past 15 years, powerful communities have been connecting online, sparking off each other.

Over the past few years, we have witnessed considerable change in attitudes towards nuclear energy.

During the past years Closed Door Meeting have been hosted by Portugal, Spain and Norway.

Over the past 10 years, there has been increased investment in water and sanitation projects.